<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="景点名称" prop="attractionName">
        <el-input
          v-model="queryParams.attractionName"
          placeholder="请输入景点名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:attraction:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:attraction:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:attraction:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:attraction:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="attractionList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键id" align="center" prop="id" />
      <el-table-column label="景点名称" align="center" prop="attractionName" />
      <el-table-column label="景点介绍" align="center" prop="attractionDesc" />
      <el-table-column label="景点图片" align="center">
        <template slot-scope="scope">
          <el-image
            style="width: 100px; height: 100px"
            :src="scope.row.attractionImg"
            fit="contain"></el-image>
        </template>
      </el-table-column>
      <el-table-column label="景点价格" align="center" prop="attractionPrice" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:attraction:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:attraction:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改景点管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="景点名称" prop="attractionName">
          <el-input v-model="form.attractionName" placeholder="请输入景点名称" />
        </el-form-item>
        <el-form-item label="景点介绍" prop="attractionDesc">
                  <el-input v-model="form.attractionDesc" type="textarea" placeholder="请输入景点介绍" show-word-limit
                            :autosize="{minRows: 1, maxRows: 4}" :style="{width: '100%'}"></el-input>
        </el-form-item>
        <el-form-item label="请输入景点图片" prop="attractionImg">
          <el-upload
            class="upload-demo"
            action="#"
            :on-preview="handlePreview"
            :on-remove="handleRemove"
            :file-list="fileList"
            :http-request="confirmUpload"
            :headers="headers"
            list-type="picture">
            <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>
        <el-form-item label="景点价格" prop="attractionPrice">
          <el-input v-model="form.attractionPrice" placeholder="请输入景点价格" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  addAttraction,
  delAttraction,
  getAttraction,
  listAttraction,
  updateAttraction
} from "@/api/tour/attraction_management";
import {upload} from "@/api/system/upload";

export default {
  name: "Attraction",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 景点管理表格数据
      attractionList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      fileList: [],
      headers: {
        'Content-Type': 'multipart/form-data'
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        attractionName: null,
        attractionDesc: null,
        attractionImg: null,
        attractionPrice: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        attractionName: [
          { required: true, message: "景点名称不能为空", trigger: "blur" }
        ],
        attractionDesc: [
          { required: true, message: "景点介绍不能为空", trigger: "blur" }
        ],
        attractionImg: [
          { required: true, message: "景点图片不能为空", trigger: "blur" }
        ],
        attractionPrice: [
          { required: true, message: "景点价格不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询景点管理列表 */
    getList() {
      this.loading = true;
      listAttraction(this.queryParams).then(response => {
        this.attractionList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        attractionName: null,
        attractionDesc: null,
        attractionImg: null,
        attractionPrice: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加景点管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getAttraction(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改景点管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateAttraction(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addAttraction(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除景点管理编号为"' + ids + '"的数据项？').then(function() {
        return delAttraction(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/attraction/export', {
        ...this.queryParams
      }, `attraction_${new Date().getTime()}.xlsx`)
    },
    handleRemove(file, fileList) {
      console.log(file, fileList);
    },
    handlePreview(file) {
      console.log(file);
    },
    confirmUpload(item) { //确认上传
      let param = new FormData()
      console.log(item);
      param.append('file', item.file);
      upload(param, this.headers).then(response => {
        this.form.attractionImg = response.url;
        this.$modal.msgSuccess("上传成功");
      });
    },
  }
};
</script>
